<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";

const animationDuration = 6000;

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "300px"
    }
  },
  data() {
    return {
      chart: null
    };
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");

      this.chart.setOption({
        tooltip: {
          trigger: "axis",
          axisPointer: { // 坐标轴指示器，坐标轴触发有效
            type: "shadow" // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        grid: {
          top: 10,
          left: "2%",
          right: "2%",
          bottom: "3%",
          containLabel: true
        },
        xAxis: [{
          type: "category",
          data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
          axisTick: {
            alignWithLabel: true
          }
        }],
        yAxis: [{
          type: "value",
          axisTick: {
            show: false
          }
        }],
        series: [{
          name: "pageA",
          type: "bar",
          stack: "vistors",
          barWidth: "60%",
          data: [79, 52, 200, 334, 390, 330, 220],
          animationDuration
        }, {
          name: "pageB",
          type: "bar",
          stack: "vistors",
          barWidth: "60%",
          data: [80, 52, 200, 334, 390, 330, 220],
          animationDuration
        }, {
          name: "pageC",
          type: "bar",
          stack: "vistors",
          barWidth: "60%",
          data: [30, 52, 200, 334, 390, 330, 220],
          animationDuration
        }]
      });
    }
  }
};
</script>
